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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef BASE_STRINGS_STRING_UTIL_POSIX_H_
      6 #define BASE_STRINGS_STRING_UTIL_POSIX_H_
      7 
      8 #include <stdarg.h>
      9 #include <stdio.h>
     10 #include <string.h>
     11 #include <wchar.h>
     12 
     13 #include "base/logging.h"
     14 
     15 namespace base {
     16 
     17 // Chromium code style is to not use malloc'd strings; this is only for use
     18 // for interaction with APIs that require it.
     19 inline char* strdup(const char* str) {
     20   return ::strdup(str);
     21 }
     22 
     23 inline int strcasecmp(const char* string1, const char* string2) {
     24   return ::strcasecmp(string1, string2);
     25 }
     26 
     27 inline int strncasecmp(const char* string1, const char* string2, size_t count) {
     28   return ::strncasecmp(string1, string2, count);
     29 }
     30 
     31 inline int vsnprintf(char* buffer, size_t size,
     32                      const char* format, va_list arguments) {
     33   return ::vsnprintf(buffer, size, format, arguments);
     34 }
     35 
     36 inline int strncmp16(const char16* s1, const char16* s2, size_t count) {
     37 #if defined(WCHAR_T_IS_UTF16)
     38   return ::wcsncmp(s1, s2, count);
     39 #elif defined(WCHAR_T_IS_UTF32)
     40   return c16memcmp(s1, s2, count);
     41 #endif
     42 }
     43 
     44 inline int vswprintf(wchar_t* buffer, size_t size,
     45                      const wchar_t* format, va_list arguments) {
     46   DCHECK(IsWprintfFormatPortable(format));
     47   return ::vswprintf(buffer, size, format, arguments);
     48 }
     49 
     50 }  // namespace base
     51 
     52 #endif  // BASE_STRINGS_STRING_UTIL_POSIX_H_
     53